Finding the Third Proportional to 3,557,248 and 7,805,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557,248 : 7,805,856 = 7,805,856 : x
2. Step 2: Convert to fraction form
   3,557,248/7,805,856 = 7,805,856/x
3. Step 3: Cross multiply
   3,557,248x = 7,805,856 × 7,805,856
4. Step 4: Simplify right side
   3,557,248x = 60,931,387,892,736
5. Step 5: Solve for x
   x = 60,931,387,892,736/3,557,248
6. Step 6: Final answer
   x = 17,128,799.54